Autumn can be, sometimes is, blustery and challenging, but it is also mellow afternoon sunshine, respite from the heat of summer, favourite season of many – as in the year, as in life. Hands up if you love late afternoons, sunsets and the promise of the evening: if you think that ...
On Earth, the silica (SiO2) concentration of igneous rocks is used as a first-order chemical classification parameter because it varies widely among different kinds of rocks. On the Moon (1) there are no rocks rich in quartz or other silica polymorphs*, (2) in a given rock, particularly ...
喷 pēn/pèn, [噴], to puff/to spout/to spray/to spurt, (of a smell) strong/peak season (of a crop)/... 愤 fèn, [憤], indignant/anger/resentment 偾 fèn, [僨], to instigate/to ruin/to destroy 豮 fén, [豶], gelded pig 鲼 fèn, [鱝], any ray (fish) variety of Myli...